Here is the full list of all 39 Sherlock Holmes Chapter One achievements.
Remember everything.
Kill five enemies.
Uncover all of the treasures.
Complete all Cordona Stories.
Refurbish the entire manor.
Take pity on a poor girl.
Present accurate evidence in all accusations.
Follow the rules of the Blind Duelling Club.
Get justice for Fabio.
Lift the curtain on bohemian life.
Find the book.
Hold an eel by the tail.
Disappoint Mycroft.
Interrogate every suspect in the safe murder as a police officer.
Talk to The Pipe in the correct disguise.
Investigate the third accident.
Open the cabinet of curiosities.
Refuse to help Mycroft.
Spare the landlady's feelings.
Open Violet's room.
Acquire Sherlock's famous violin.
Arrest twenty-five enemies.
Save Goliath's life.
Find all the books in the Bazookaeology trilogy.
Disorient ten enemies with the snuffbox.
Open Sherlock's room.
Arrest ten enemies.
Solve all the cases for the police.
Prank Mrs. Nini.
Solve the first case on Cordona.
Eavesdrop on your first piece of gossip.
Try to take the easy way out.
Always advocate for the refugees.
Punch first, ask questions later.
Let an old man have his retirement.
Talk to Dilwyn in his hat.
Fight in all of the bandit lairs.
Kill fifteen enemies.
Get every achievement.